Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting h2
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/2a/e5/db6d438da759efbb488c4f3fbdab7764492ff3c3f953132efa6b9f0e9e53/h2-4.1.0-py3-none-any.whl (57 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 57.5/57.5 kB 441.6 kB/s eta 0:00:00
Collecting hyperframe<7,>=6.0
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/d7/de/85a784bcc4a3779d1753a7ec2dee5de90e18c7bcf402e71b51fcf150b129/hyperframe-6.0.1-py3-none-any.whl (12 kB)
Collecting hpack<5,>=4.0
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/d5/34/e8b383f35b77c402d28563d2b8f83159319b509bc5f760b15d60b0abf165/hpack-4.0.0-py3-none-any.whl (32 kB)
Installing collected packages: hyperframe, hpack, h2
  Attempting uninstall: hyperframe
    Found existing installation: hyperframe 3.2.0
    Uninstalling hyperframe-3.2.0:
      Successfully uninstalled hyperframe-3.2.0
  Attempting uninstall: hpack
    Found existing installation: hpack 3.0.0
    Uninstalling hpack-3.0.0:
      Successfully uninstalled hpack-3.0.0
Successfully installed h2-4.1.0 hpack-4.0.0 hyperframe-6.0.1
